<template>
<div>
        <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>

<!-- 添加用户对话框 -->
    <el-dialog
             title="添加用户"
             :visible.sync="addDialogVisible"
             width="50%" @close="addDialogClosed">
             
  <!-- 内容主体区域 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" 
   label-width="70px" >
  <el-form-item label="用户名" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <!-- 底部区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" 
    @click="addUser">确 定</el-button>
  </span>
</el-dialog>

<!-- 修改用户对话框 -->
<el-dialog
  title="修改用户"
  :visible.sync="editDialogVisible"
  width="50%"
  @close="editDialogClosed">

  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" 
  label-width="70px" >
  <el-form-item label="用户名" >
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email" ></el-input>
  </el-form-item>
  <el-form-item label="手机号"  prop="mobile">
    <el-input v-model="editForm.mobile" ></el-input>
  </el-form-item>
  </el-form>

  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>

<!-- 分配角色的对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%"
  @close="setRoleDialogClosed">
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色:
        <el-select v-model="selectedRoleId" 
        placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>
  </div>
  
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" 
    @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>


        <!-- 搜索与添加区域 -->
    <el-row :gutter="20">
        <el-col :span="8">
    <el-input placeholder="请输入内容"  v-model="queryInfo.query" clearable @clear="getUserList">
     <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
    </el-input>
        </el-col>
        <el-col :span="4">
         <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
    </el-row>
<!-- 用户列表区 -->
    <el-table :data="userlist" border stripe>
        <el-table-column label="#" type="index"></el-table-column>
        
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" >
            <template slot-scope="scope">
                <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                </el-switch>
            </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
                <!-- 修改 -->
                <el-button type="primary" 
                icon="el-icon-edit" size="mini"
                @click="showEditDialog(scope.row.id)"></el-button>
                <!-- 删除 -->
                <el-button type="danger" 
                icon="el-icon-delete" 
                size="mini" @click="removeUserById(scope.row.id)"></el-button>
                <!-- 分配角色 -->
                <el-tooltip  effect="dark" content="分配角色"
                 placement="top" :enterable="false">
                <el-button type="warning"
                 icon="el-icon-setting" size="mini" 
                 @click="setRole(scope.row)"></el-button>
                </el-tooltip>
                
            </template>
        </el-table-column>

    </el-table>

    <!-- 分页区域 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </el-card>
</div>
</template>

<script>
    export default{
            data(){
                
                var checkEmail = (rule,value,cb) => {
                    const regEmail= /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

                        if(regEmail.test(value)){
                            return cb()
                        }
                        cb(new Error('请输入合法的邮箱'))
                }

                var checkMobile = (rule,value,cb) => {
                    
            const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
                        if (regMobile.test(value)) {
                            return  cb()
                        }
                        cb(new Error('手机号码格式不正确'))
                    }
                    



                return{
                    queryInfo:{
                        query:'',
                        pagenum: 1,
                        pagesize:2
                    },
                    userlist:[],
                    total:0,
                    addDialogVisible:false,
                    // 添加用户表单数据
                    addForm:{
                        username:'',
                        password:'',
                        email:'',
                        mobile:''
                    },
                    addFormRules:{
                        username:[
                            { required:true,message:'请输入用户名',
                        trigger:'blur'},
                        {
                            min:3,
                            max:10,
                            message:'用户名长度在3-10个字符之间',
                            trigger:'blur'
                    }
                        ],
                        password:[
                            { required:true,message:'请输入密码',
                        trigger:'blur'},
                        {
                            min:6,
                            max:15,
                            message:'用户名长度在6-15个字符之间',
                            trigger:'blur'
                    }
                        ],
                        email:[
                        { required:true,message:'请输入邮箱',
                        trigger:'blur'},
                        {validator:checkEmail,trigger:'blur'}
                    ],
                        mobile:[
                        { required:true,message:'请输入手机号',
                        trigger:'blur'},
                        {validator:checkMobile,trigger:'blur'}
                    ]
                    },
                    //控制修改用户对话框的显示与隐藏
                    editDialogVisible:false,
                    //查询到的用户信息对象 
                    editForm:{},
                    //修改表单的验证规则对象
                    editFormRules:{
                        email:[
                        { required:true,message:'请输入用户邮箱',
                        trigger:'blur'},
                        {validator:checkEmail,trigger:'blur'}
                        ],
                        mobile:[
                        { required:true,message:'请输入用户手机',
                        trigger:'blur'},
                        {validator:checkMobile,trigger:'blur'}

                        ]
                    },
                    //控制分配角色对话框的显示与隐藏
                    setRoleDialogVisible:false,
                    //需要被分配角色的用户信息
                    userInfo:{},
                    //所有角色的数据列表
                    rolesList:[],
                    //已选中的角色id值
                    selectedRoleId:''
                }
            },
            created(){
                this.getUserList()
            },
            methods:{
                async getUserList(){
                   const {data:res } = await this.$http.get('users',{ 
                    params: this.queryInfo 
                })
                if(res.meta.status !==200){
                return this.$message.error('获取用户列表失败')
                }
                this.userlist = res.data.users
                this.total = res.data.total
                console.log(res)
                },
                handleSizeChange(newSize){
                    // console.log(newSize);
                    this.queryInfo.pagesize = newSize
                    this.getUserList()
                },
                handleCurrentChange(newPage){
                    console.log(newPage);
                    this.queryInfo.pagenum = newPage
                    this.getUserList()
                },
                //监听switch开关状态的改变
                async userStateChanged(userinfo){
                    console.log(userinfo)
                    const {data:res} = await this.$http.put(`users/${userinfo.id}/state/
                     ${userinfo.mg_state}`)
                    if(res.meta.status !==200){
                        userinfo.mg_state = ! userinfo.mg_state
                        return this.$message.error('更新用户状态失败!')
                    }
                    this.$message.success('更新用户状态成功!')
                },
                addDialogClosed(){
                    this.$refs.addFormRef.resetFields()
                },
                addUser(){
                    this.$refs.addFormRef.validate(async valid =>{
                        if(!valid)return
                       const {data:res} = await this.$http.post
                       ('users',this.addForm)

                       if(res.meta.status!==201){
                        this.$message.error('添加用户失败!')
                       }
                       this.$message.success('添加用户成功!')
                       this.addDialogVisible = false
                       this.getUserList()
                    })
                },
                //展示编辑用户的对话框
                async showEditDialog(id){
                    // console.log(id);
                    const{data:res} =await this.$http.get('users/' + id)

                    if(res.meta.status!==200){
                        return this.$message.error('查询用户信息失败!')
                    }
                    this.editForm = res.data
                    this.editDialogVisible = true
                },
                editDialogClosed(){
                    this.$refs.editFormRef.resetFields()
                },
                editUserInfo(){
                    this.$refs.editFormRef.validate
                    (async valid =>{  
                        if(!valid) return
                        const {data: res} = await this.$http.put('users/' + this.editForm.id,
                        {
                         email:this.editForm.email,
                         mobile:this.editForm.mobile
                        })

                        if(res.meta.status!==200){
                            return this.$message.error('更新用户信息失败')
                        }

                        this.editDialogVisible = false
                        this.getUserList()
                        this.$message.success('更新用户信息成功')
                    })
                },
                //id删除对应
                async removeUserById(id){
                        // 询问是否删除
                    const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                 }
                 ).catch(err=>err)

                //  console.log(confirmResult)
                if(confirmResult!=='confirm'){
                    return this.$message.info('已取消删除')
                }
               
                

                const {data:res} = await this.$http.delete('users/'+id)

                if (res.meta.status!==200){
                    return this.$message.error('删除用户失败')
                }

                this.$message.success('删除用户成功!')
                this.getUserList()
            },
            //展示分配角色的对话框
           async setRole(userInfo){
                this.userInfo = userInfo

                //在展示对话框之前，获取所有角色的列表
             const { data:res } = await this.$http.get('roles')
            if(res.meta.status!==200){
                return this.$message.error('获取角色列表失败！')
            }

                this.rolesList = res.data

                this.setRoleDialogVisible = true
            },
           
    async saveRoleInfo(){
        if(!this.selectedRoleId){
            return this.$message.error('请选择要疯配的角色！')
        }

        const {data:res} = await this.$http.put(
            `users/${this.userInfo.id}/role`,
            {
                rid:this.selectedRoleId
            }
        )

        if(res.meta.status!==200){
            return this.$message.error('更新角色失败！')
        }
        this.$message.success('更新角色成功！')
        this.getUserList()
        this.setRoleDialogVisible = false
    },
    setRoleDialogClosed(){
        this.selectedRoleId = ''
        this.userInfo = {}
    }
    }
}
</script>

<style lang="less" scoped>

</style>